2018 Wyoming Statutes
TITLE 30 - MINES AND MINERALS
CHAPTER 3 - MINING SAFETY
ARTICLE 1 - GENERAL PROVISIONS
SECTION 30-3-109 - Check-in and check-out system.
30-3-109. Check-in and check-out system.
Each mine shall have a check-in and check-out system that will identify every individual underground. An accurate record of persons in the mine consisting of a written record or a check board shall be kept on the surface in a place that will not be affected in the event of an explosion. The record shall bear a number identical to the identification check carried by the person underground.